摘要:
设计了一种能工作在低磁场高功率的慢波器件,该器件通过谐振腔将切仑科夫振荡器与锥形放大器有机地结合,充分利用电子的能量,实现了高效的微波产生.给出了初步的实验结果,在束流电压450kV,电流2.3 kA,导引峰值磁场0.6T的情况下,得到230 MW,频率为10.33 GHz,模式TM01的微波输出,效率达到23%.实验结果与粒子模拟结果基本吻合.
Abstract:
A high power slow-wave source operated at low magnetic field is designed. A Cerenkov oscillator is connected to a tapered amplifier by a resonant cavity in the new device. The electron beam current is effectively used to yield microwave with high efficiency. The results of the primary experimental study of the new high power microwave source are reported. At the beam parameters of 450 kV, 2.3 kA, and peak magnetic field of 0.6 T, an output microwave power of 230 MW and efficiency of 23% are achieved, and the mode is a typical TM01 with the main frequency of 10.33 GHz. The measured microwave power and mode are in accordance with.those simulated under the same condition.
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